The Old Testament ( OT ) is the first division of the Christian biblical canon , which is based primarily upon the 24 books of the Hebrew Bible , or Tanakh, a collection of ancient religious Hebrew and occasionally Aramaic writings by the Israelites . The second division of Christian Bibles is the New Testament , written in Koine Greek .
149-545: Purple is a color similar in appearance to violet light. In the RYB color model historically used in the arts, purple is a secondary color created by combining red and blue pigments. In the CMYK color model used in modern printing, purple is made by combining magenta pigment with either cyan pigment, black pigment, or both. In the RGB color model used in computer and television screens, purple
298-637: A color space , which when being abstracted as a mathematical color model can assign each region of color with a corresponding set of numbers. As such, color spaces are an essential tool for color reproduction in print , photography , computer monitors, and television . The most well-known color models are RGB , CMYK , YUV , HSL, and HSV . Because the perception of color is an important aspect of human life, different colors have been associated with emotions , activity, and nationality . Names of color regions in different cultures can have different, sometimes overlapping areas. In visual arts , color theory
447-412: A complementary color . Afterimage effects have also been used by artists, including Vincent van Gogh . When an artist uses a limited color palette , the human visual system tends to compensate by seeing any gray or neutral color as the color which is missing from the color wheel. For example, in a limited palette consisting of red, yellow, black, and white, a mixture of yellow and black will appear as
596-491: A black object. The subtractive model also predicts the color resulting from a mixture of paints, or similar medium such as fabric dye, whether applied in layers or mixed together prior to application. In the case of paint mixed before application, incident light interacts with many different pigment particles at various depths inside the paint layer before emerging. Structural colors are colors caused by interference effects rather than by pigments. Color effects are produced when
745-502: A black screen. The standard HTML color purple is created by red and blue light of equal intensity, at a brightness that is halfway between full power and darkness. In color printing, purple is sometimes represented by the color magenta , or sometimes by mixing magenta with red or blue. It can also be created by mixing just red and blue alone, but in that case the purple is less bright, with lower saturation or intensity. A less bright purple can also be created with light or paint by adding
894-413: A certain quantity of the third primary color (green for light or yellow for pigment). Purple is closely associated with violet . In common usage, both refer to a variety of colors between blue and red in hue . Historically, purple has tended to be used for redder hues and violet for bluer hues. In optics , violet is a spectral color ; it refers to the color of any different single wavelength of light on
1043-477: A continuous spectrum. The human eye cannot tell the difference between such light spectra just by looking into the light source, although the color rendering index of each light source may affect the color of objects illuminated by these metameric light sources. Similarly, most human color perceptions can be generated by a mixture of three colors called primaries . This is used to reproduce color scenes in photography, printing, television, and other media. There are
1192-621: A different order for the books in Nevi'im and Ketuvim . This order is also cited in Mishneh Torah Hilchot Sefer Torah 7:15. The order of the books of the Torah is universal through all denominations of Judaism and Christianity. The disputed books, included in most canons but not in others, are often called the Biblical apocrypha , a term that is sometimes used specifically to describe
1341-822: A few historic Protestant versions; the German Luther Bible included such books, as did the English 1611 King James Version. Empty table cells indicate that a book is absent from that canon. Several of the books in the Eastern Orthodox canon are also found in the appendix to the Latin Vulgate , formerly the official Bible of the Roman Catholic Church. Some of the stories of the Pentateuch may derive from older sources. Scholars such as Andrew R. George point out
1490-633: A few other categories of citizens. The Toga picta was solid purple, embroidered with gold. During the Roman Republic , it was worn by generals in their triumphs , and by the Praetor Urbanus when he rode in the chariot of the gods into the circus at the Ludi Apollinares . During the Empire, the toga picta was worn by magistrates giving public gladiatorial games, and by the consuls , as well as by
1639-419: A given type become desensitized. For a few seconds after the light ceases, they will continue to signal less strongly than they otherwise would. Colors observed during that period will appear to lack the color component detected by the desensitized photoreceptors. This effect is responsible for the phenomenon of afterimages , in which the eye may continue to see a bright figure after looking away from it, but in
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#17328450453601788-513: A handkerchief. In the year 2000, a gram of Tyrian purple made from ten thousand mollusks according to the original formula cost two thousand euros. In ancient China, purple was obtained not through the Mediterranean mollusc, but purple gromwell . The dye obtained did not easily adhere to fabrics, making purple fabrics expensive. Purple became a fashionable color in the state of Qi (齊, 1046 BC–221 BC) because its ruler, Duke Huan of Qi , developed
1937-625: A mantle of Tyrian purple, and was buried in 814 in a shroud of the same color, which still exists (see below). However, after the fall of Constantinople to the Ottoman Turks in 1453, the color lost its imperial status. The great dye works of Constantinople were destroyed, and gradually scarlet , made with dye from the cochineal insect, became the royal color in Europe. In 1464, Pope Paul II decreed that cardinals should no longer wear Tyrian purple, and instead wear scarlet, from kermes and alum, since
2086-451: A material is scored with fine parallel lines, formed of one or more parallel thin layers, or otherwise composed of microstructures on the scale of the color's wavelength . If the microstructures are spaced randomly, light of shorter wavelengths will be scattered preferentially to produce Tyndall effect colors: the blue of the sky (Rayleigh scattering, caused by structures much smaller than the wavelength of light, in this case, air molecules),
2235-476: A nearly straight edge. For example, mixing green light (530 nm) and blue light (460 nm) produces cyan light that is slightly desaturated, because response of the red color receptor would be greater to the green and blue light in the mixture than it would be to a pure cyan light at 485 nm that has the same intensity as the mixture of blue and green. Because of this, and because the primaries in color printing systems generally are not pure themselves,
2384-490: A normal human would view as metamers . Some invertebrates, such as the mantis shrimp , have an even higher number of cones (12) that could lead to a richer color gamut than even imaginable by humans. The existence of human tetrachromats is a contentious notion. As many as half of all human females have 4 distinct cone classes , which could enable tetrachromacy. However, a distinction must be made between retinal (or weak ) tetrachromats , which express four cone classes in
2533-468: A number of methods or color spaces for specifying a color in terms of three particular primary colors . Each method has its advantages and disadvantages depending on the particular application. No mixture of colors, however, can produce a response truly identical to that of a spectral color, although one can get close, especially for the longer wavelengths, where the CIE 1931 color space chromaticity diagram has
2682-401: A perception of color. Behavioral and functional neuroimaging experiments have demonstrated that these color experiences lead to changes in behavioral tasks and lead to increased activation of brain regions involved in color perception, thus demonstrating their reality, and similarity to real color percepts, albeit evoked through a non-standard route. Synesthesia can occur genetically, with 4% of
2831-460: A preference for it. As a result, the price of purple fabric was over five times that of plain fabric. His minister, Guan Zhong (管仲), eventually convinced him to relinquish this preference. China was the first culture to develop a synthetic purple color. An old hypothesis suggested links between the Chinese purple and blue and Egyptian blue , however, molecular structure analysis and evidence such as
2980-512: A professor of Hebrew Bible and Second Temple Judaism at the University of Edinburgh , identifies the Old Testament as "a collection of authoritative texts of apparently divine origin that went through a human process of writing and editing." He states that it is not a magical book, nor was it literally written by God and passed to mankind. By about the 5th century BC, Jews saw the five books of
3129-599: A reddish to a bluish purple. According to the Roman writer Vitruvius , (1st century BC), the murex shells coming from northern waters, probably Bolinus brandaris , produced a more bluish color than those of the south, probably Hexaplex trunculus . The most valued shades were said to be those closer to the color of dried blood, as seen in the mosaics of the robes of the Emperor Justinian in Ravenna . The chemical composition of
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#17328450453603278-592: A school known as biblical minimalism rejected the historical value of the Hebrew Bible for the study of ancient Israel during the Iron Age, "but this extreme approach was rejected by mainstream scholarship." The first five books— Genesis , Exodus , Leviticus , book of Numbers and Deuteronomy —reached their present form in the Persian period (538–332 BC) , and their authors were the elite of exilic returnees who controlled
3427-521: A set period and be followed by the other-worldly age or World to Come . Some thought the Messiah was already present, but unrecognised due to Israel's sins; some thought that the Messiah would be announced by a forerunner, probably Elijah (as promised by the prophet Malachi , whose book now ends the Old Testament and precedes Mark 's account of John the Baptist ). However, no view of the Messiah as based on
3576-424: A single wavelength only, the pure spectral or monochromatic colors . The spectrum above shows approximate wavelengths (in nm ) for spectral colors in the visible range. Spectral colors have 100% purity , and are fully saturated . A complex mixture of spectral colors can be used to describe any color, which is the definition of a light power spectrum . The spectral colors form a continuous spectrum, and how it
3725-549: A spectral color has the maximal saturation. In Helmholtz coordinates , this is described as 100% purity . The physical color of an object depends on how it absorbs and scatters light. Most objects scatter light to some degree and do not reflect or transmit light specularly like glasses or mirrors . A transparent object allows almost all light to transmit or pass through, thus transparent objects are perceived as colorless. Conversely, an opaque object does not allow light to transmit through and instead absorbs or reflects
3874-431: A spectral color, relative to the context in which it is viewed, may alter its perception considerably. For example, a low-intensity orange-yellow is brown , and a low-intensity yellow-green is olive green . Additionally, hue shifts towards yellow or blue happen if the intensity of a spectral light is increased; this is called Bezold–Brücke shift . In color models capable of representing spectral colors, such as CIELUV ,
4023-407: A surface displays comes from the parts of the visible spectrum that are not absorbed and therefore remain visible. Without pigments or dye, fabric fibers, paint base and paper are usually made of particles that scatter white light (all colors) well in all directions. When a pigment or ink is added, wavelengths are absorbed or "subtracted" from white light, so light of another color reaches the eye. If
4172-399: A variety of green, a mixture of red and black will appear as a variety of purple, and pure gray will appear bluish. The trichromatic theory is strictly true when the visual system is in a fixed state of adaptation. In reality, the visual system is constantly adapting to changes in the environment and compares the various colors in a scene to reduce the effects of the illumination. If a scene
4321-648: Is congenital red–green color blindness , affecting ~8% of males. Individuals with the strongest form of this condition ( dichromacy ) will experience blue and purple, green and yellow, teal, and gray as colors of confusion, i.e. metamers. Outside of humans, which are mostly trichromatic (having three types of cones), most mammals are dichromatic, possessing only two cones. However, outside of mammals, most vertebrates are tetrachromatic , having four types of cones. This includes most birds , reptiles , amphibians , and bony fish . An extra dimension of color vision means these vertebrates can see two distinct colors that
4470-415: Is a type of color solid that contains all the colors that humans are able to see . The optimal color solid is bounded by the set of all optimal colors. Old Testament The Old Testament consists of many distinct books by various authors produced over a period of centuries. Christians traditionally divide the Old Testament into four sections: the first five books or Pentateuch (which corresponds to
4619-412: Is an optimal color. With the current state of technology, we are unable to produce any material or pigment with these properties. Thus, four types of "optimal color" spectra are possible: In the first, the transition goes from 0 at both ends of the spectrum to 1 in the middle, as shown in the image at right. In the second, it goes from 1 at the ends to 0 in the middle. In the third type, it starts at 1 at
Purple - Misplaced Pages Continue
4768-669: Is based on the belief that the historical Jesus is also the Christ , as in the Confession of Peter . This belief is in turn based on Jewish understandings of the meaning of the Hebrew term Messiah , which, like the Greek "Christ", means "anointed". In the Hebrew Scriptures, it describes a king anointed with oil on his accession to the throne: he becomes "The L ORD 's anointed" or Yahweh's Anointed. By
4917-538: Is bright enough to strongly stimulate the cones, rods play virtually no role in vision at all. On the other hand, in dim light, the cones are understimulated leaving only the signal from the rods, resulting in a colorless response (furthermore, the rods are barely sensitive to light in the "red" range). In certain conditions of intermediate illumination, the rod response and a weak cone response can together result in color discriminations not accounted for by cone responses alone. These effects, combined, are summarized also in
5066-412: Is characterized by its wavelength (or frequency ) and its intensity . When the wavelength is within the visible spectrum (the range of wavelengths humans can perceive, approximately from 390 nm to 700 nm), it is known as "visible light ". Most light sources emit light at many different wavelengths; a source's spectrum is a distribution giving its intensity at each wavelength. Although
5215-644: Is created by mixing red and blue light in order to create colors that appear similar to violet light. Purple has long been associated with royalty, originally because Tyrian purple dye—made from the secretions of sea snails—was extremely expensive in antiquity. Purple was the color worn by Roman magistrates; it became the imperial color worn by the rulers of the Byzantine Empire and the Holy Roman Empire , and later by Roman Catholic bishops . Similarly in Japan ,
5364-426: Is divided into distinct colors linguistically is a matter of culture and historical contingency. Despite the ubiquitous ROYGBIV mnemonic used to remember the spectral colors in English, the inclusion or exclusion of colors is contentious, with disagreement often focused on indigo and cyan. Even if the subset of color terms is agreed, their wavelength ranges and borders between them may not be. The intensity of
5513-463: Is illuminated with one light, and then with another, as long as the difference between the light sources stays within a reasonable range, the colors in the scene appear relatively constant to us. This was studied by Edwin H. Land in the 1970s and led to his retinex theory of color constancy . Both phenomena are readily explained and mathematically modeled with modern theories of chromatic adaptation and color appearance (e.g. CIECAM02 , iCAM). There
5662-460: Is known as the line of purples , or the purple line. During the Middle Ages, artists usually made purple by combining red and blue pigments; most often blue azurite or lapis-lazuli with red ochre , cinnabar , or minium . They also combined lake colors made by mixing dye with powder; using woad or indigo dye for the blue, and dye made from cochineal for the red. The most famous purple dye in
5811-518: Is known, though there is plenty of speculation. For example, it is speculated that this may have provided motivation for canon lists and that Codex Vaticanus and Codex Sinaiticus are examples of these Bibles. Together with the Peshitta and Codex Alexandrinus , these are the earliest extant Christian Bibles. There is no evidence among the canons of the First Council of Nicaea of any determination on
5960-594: Is neither read nor held among the Hebrews, but does not explicitly call it apocryphal or "not in the canon". The Synod of Hippo (in 393), followed by the Council of Carthage (397) and the Council of Carthage (419) , may be the first council that explicitly accepted the first canon which includes the books that did not appear in the Hebrew Bible ; the councils were under significant influence of Augustine of Hippo , who regarded
6109-609: Is no need to dismiss the trichromatic theory of vision, but rather it can be enhanced with an understanding of how the visual system adapts to changes in the viewing environment. Color reproduction is the science of creating colors for the human eye that faithfully represent the desired color. It focuses on how to construct a spectrum of wavelengths that will best evoke a certain color in an observer. Most colors are not spectral colors , meaning they are mixtures of various wavelengths of light. However, these non-spectral colors are often described by their dominant wavelength , which identifies
Purple - Misplaced Pages Continue
6258-400: Is not one of the colors of the visible spectrum . It was not one of the colors of the rainbow identified by Isaac Newton . According to some authors, purple does not have its own wavelength of light. For this reason, it is sometimes called a non-spectral color . It exists in culture and art, but not, in the same way that violet does, in optics. According to some speakers of English, purple
6407-400: Is simply a combination, in various proportions, of two primary colors, red and blue. According to other speakers of English, the same range of colors is called violet. In some textbooks of color theory , and depending on the geographical-cultural origin of the author, a "purple" is defined as any non-spectral color between violet and red (excluding violet and red themselves). In that case,
6556-428: Is then processed by the brain . Colors have perceived properties such as hue , colorfulness (saturation), and luminance . Colors can also be additively mixed (commonly used for actual light) or subtractively mixed (commonly used for materials). If the colors are mixed in the right proportions, because of metamerism , they may look the same as a single-wavelength light. For convenience, colors can be organized in
6705-423: Is to worship , or the one "true God", that only Yahweh (or YHWH ) is Almighty. The Old Testament stresses the special relationship between God and his chosen people , Israel, but includes instructions for proselytes as well. This relationship is expressed in the biblical covenant (contract) between the two, received by Moses . The law codes in books such as Exodus and especially Deuteronomy are
6854-460: Is used by the pigment maker to lower the melting point of the barium in Han Purple. Purple was regarded as a secondary color in ancient China. In classical times, secondary colors were not as highly prized as the five primary colors of the Chinese spectrum, and purple was used to allude to impropriety, in contrast to crimson, which was deemed a primary color and symbolized legitimacy. Nevertheless, by
7003-413: Is used to govern the use of colors in an aesthetically pleasing and harmonious way. The theory of color includes the color complements ; color balance ; and classification of primary colors (traditionally red , yellow , blue ), secondary colors (traditionally orange , green , purple ), and tertiary colors . The study of colors in general is called color science . Electromagnetic radiation
7152-582: The Septuagint (Latin for 'Seventy') from the supposed number of translators involved (hence its abbreviation " LXX "). This Septuagint remains the basis of the Old Testament in the Eastern Orthodox Church . It varies in many places from the Masoretic Text and includes numerous books no longer considered canonical in some traditions: 1 Esdras , Judith , Tobit , the books of Maccabees ,
7301-503: The Aztecs used it for paintings of ideograms, where it symbolized royalty. Color Color ( American English ) or colour ( British and Commonwealth English ) is the visual perception based on the electromagnetic spectrum . Though color is not an inherent property of matter , color perception is related to an object's light absorption , reflection , emission spectra , and interference . For most humans, colors are perceived in
7450-476: The Babylonian exile ) upon his people. The theme is played out, with many variations, in books as different as the histories of Kings and Chronicles, the prophets like Ezekiel and Jeremiah , and in the wisdom books like Job and Ecclesiastes. The process by which scriptures became canons and Bibles was a long one, and its complexities account for the many different Old Testaments which exist today. Timothy H. Lim,
7599-561: The Book of Wisdom , Sirach , and Baruch . Early modern biblical criticism typically explained these variations as intentional or ignorant corruptions by the Alexandrian scholars, but most recent scholarship holds it is simply based on early source texts differing from those later used by the Masoretes in their work. The Septuagint was originally used by Hellenized Jews whose knowledge of Greek
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#17328450453607748-438: The CMYK printing process is near the center of the line of purples, but most people associate the term "purple" with a somewhat bluer tone, such as is displayed by the color "electric purple" (a color also directly on the line of purples), shown below. On the CIE xy chromaticity diagram , violet is on the curved edge in the lower left, while purples are on the straight line connecting the extreme colors red and violet; this line
7897-620: The Eastern Orthodox and Oriental Orthodox Churches comprise up to 49 books; the Catholic canon comprises 46 books; and the most common of the Protestant canons comprises 39 books. There are 39 books common to essentially all Christian canons. They correspond to the 24 books of the Tanakh , with some differences of order, and there are some differences in text. The greater count of books reflects
8046-504: The Hellenistic time (332–198 BC), though containing much older material as well; Job was completed by the 6th century BC; Ecclesiastes by the 3rd century BC. Throughout the Old Testament, God is consistently depicted as the one who created the world. Although the God of the Old Testament is not consistently presented as the only god who exists , he is always depicted as the only God whom Israel
8195-457: The Kruithof curve , which describes the change of color perception and pleasingness of light as a function of temperature and intensity. While the mechanisms of color vision at the level of the retina are well-described in terms of tristimulus values, color processing after that point is organized differently. A dominant theory of color vision proposes that color information is transmitted out of
8344-799: The Old English purpul, which derives from Latin purpura , which, in turn, derives from the Greek πορφύρα ( porphura ), the name of the Tyrian purple dye manufactured in classical antiquity from a mucus secreted by the spiny dye-murex snail. The first recorded use of the word purple dates to the late 900s AD. Purple first appeared in prehistoric art during the Neolithic era. The artists of Pech Merle cave and other Neolithic sites in France used sticks of manganese and hematite powder to draw and paint animals and
8493-706: The Pentateuch (Torah) , the historical books , the "wisdom" books and the prophets. The table below uses the spellings and names present in modern editions of the Christian Bible, such as the Catholic New American Bible Revised Edition and the Protestant Revised Standard Version and English Standard Version . The spelling and names in both the 1609–F10 Douay Old Testament (and in the 1582 Rheims New Testament ) and
8642-652: The Revised Standard Version Catholic Edition ) use the same "standardized" (King James Version) spellings and names as Protestant Bibles (e.g. 1 Chronicles as opposed to the Douaic 1 Paralipomenon, 1–2 Samuel and 1–2 Kings instead of 1–4 Kings) in those books which are universally considered canonical: the protocanonicals . The Talmud (the Jewish commentary on the scriptures) in Bava Batra 14b gives
8791-657: The Seleucid Empire , and the kings of Ptolemaic Egypt all wore Tyrian purple. The Roman custom of wearing purple togas may have come from the Etruscans ; an Etruscan tomb painting from the 4th century BC shows a nobleman wearing a deep purple and embroidered toga. In Ancient Rome, the Toga praetexta was an ordinary white toga with a broad purple stripe on its border. It was worn by freeborn Roman boys who had not yet come of age, curule magistrates , certain categories of priests, and
8940-565: The Temple at that time. The books of Joshua , Judges , Samuel and Kings follow, forming a history of Israel from the Conquest of Canaan to the Siege of Jerusalem c. 587 BC . There is a broad consensus among scholars that these originated as a single work (the so-called " Deuteronomistic History ") during the Babylonian exile of the 6th century BC. The two Books of Chronicles cover much
9089-735: The Torah (the Old Testament Pentateuch) as having authoritative status; by the 2nd century BC, the Prophets had a similar status, although without quite the same level of respect as the Torah; beyond that, the Jewish scriptures were fluid, with different groups seeing authority in different books. Hebrew texts began to be translated into Greek in Alexandria in about 280 BC and continued until about 130 BC. These early Greek translations – supposedly commissioned by Ptolemy II Philadelphus – were called
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#17328450453609238-430: The color wheel : it is the collection of colors for which at least one of the two color channels measures a value at one of its extremes. The exact nature of color perception beyond the processing already described, and indeed the status of color as a feature of the perceived world or rather as a feature of our perception of the world—a type of qualia —is a matter of complex and continuing philosophical dispute. From
9387-458: The long-wavelength cones , L cones , or red cones , are most sensitive to light that is perceived as greenish yellow, with wavelengths around 570 nm. Light, no matter how complex its composition of wavelengths, is reduced to three color components by the eye. Each cone type adheres to the principle of univariance , which is that each cone's output is determined by the amount of light that falls on it over all wavelengths. For each location in
9536-411: The opponent process theory of color, noting that color blindness and afterimages typically come in opponent pairs (red-green, blue-orange, yellow-violet, and black-white). Ultimately these two theories were synthesized in 1957 by Hurvich and Jameson, who showed that retinal processing corresponds to the trichromatic theory, while processing at the level of the lateral geniculate nucleus corresponds to
9685-439: The spectral colors violet and indigo would not be shades of purple. For other speakers of English, these colors are shades of purple. In the traditional color wheel long used by painters, purple is placed between crimson and violet. However, also here there is much variation in color terminology depending on cultural background of the painters and authors, and sometimes the term violet is used and placed in between red and blue on
9834-626: The 1749 revision by Bishop Challoner (the edition currently in print used by many Catholics, and the source of traditional Catholic spellings in English) and in the Septuagint differ from those spellings and names used in modern editions which are derived from the Hebrew Masoretic Text . For the Orthodox canon, Septuagint titles are provided in parentheses when these differ from those editions. For
9983-474: The 20th century, purple retained its historic connection with royalty; George VI (1896–1952), wore purple in his official portrait, and it was prominent in every feature of the coronation of Elizabeth II in 1953, from the invitations to the stage design inside Westminster Abbey . But at the same time, it was becoming associated with social change; with the Women's Suffrage movement for the right to vote for women in
10132-495: The 6th century AD, purple was ranked above crimson. Several changes to the ranks of colors occurred after that time. Through the early Christian era, the rulers of the Byzantine Empire continued the use of purple as the imperial color, for diplomatic gifts, and even for imperial documents and the pages of the Bible. Gospel manuscripts were written in gold lettering on parchment that was colored Tyrian purple. Empresses gave birth in
10281-493: The Bible passage is purpura or Tyrian purple. In the Iliad of Homer , the belt of Ajax is purple, and the tails of the horses of Trojan warriors are dipped in purple. In the Odyssey , the blankets on the wedding bed of Odysseus are purple. In the poems of Sappho (6th century BC) she celebrates the skill of the dyers of the Greek kingdom of Lydia who made purple footwear, and in
10430-677: The Catholic canon, the Douaic titles are provided in parentheses when these differ from those editions. Likewise, the King James Version references some of these books by the traditional spelling when referring to them in the New Testament, such as "Esaias" (for Isaiah ). In the spirit of ecumenism , more recent Catholic translations (e.g. the New American Bible , Jerusalem Bible , and ecumenical translations used by Catholics, such as
10579-556: The English rock band of Deep Purple which formed in 1968. Later, in the 1980s, it was featured in the song and album Purple Rain (1984) by the American musician Prince . The Purple Rain Protest was a protest against apartheid that took place in Cape Town , South Africa on 2 September 1989, in which a police water cannon with purple dye sprayed thousands of demonstrators. This led to
10728-520: The Great and other rulers, by bishops and, in lighter shades, by members of the aristocracy, but rarely by ordinary people, because of its high cost. But in the 19th century, that changed. In 1856, an eighteen-year-old British chemistry student named William Henry Perkin was trying to make a synthetic quinine . His experiments produced instead the first synthetic aniline dye , a purple shade called mauveine , shortened simply to mauve . It took its name from
10877-555: The Hebrew Bible, and are also Jewish in origin. Some are also contained in the Dead Sea Scrolls . In general, Catholic and Orthodox churches include the deuterocanonical books in the Old Testament. Most Protestant Bibles do not include them in their canon, but some versions of Anglican and Lutheran Bibles place such books in a separate section called Apocrypha . The Old Testament contains 39 (Protestant), 46 (Catholic), or more (Orthodox and other) books, divided, very broadly, into
11026-650: The Hebrew, Greek and Latin versions of the Hebrew Bible are the best known Old Testaments, there were others. At much the same time as the Septuagint was being produced, translations were being made into Aramaic, the language of Jews living in Palestine and the Near East and likely the language of Jesus : these are called the Aramaic Targums , from a word meaning "translation", and were used to help Jewish congregations understand their scriptures. For Aramaic Christians, there
11175-646: The Jewish Torah ); the history books telling the history of the Israelites, from their conquest of Canaan to their defeat and exile in Babylon ; the poetic and " Wisdom books " dealing, in various forms, with questions of good and evil in the world; and the books of the biblical prophets, warning of the consequences of turning away from God. The books that compose the Old Testament canon and their order and names differ between various branches of Christianity . The canons of
11324-405: The Old Testament predicted a Messiah who would suffer and die for the sins of all people. The story of Jesus' death, therefore, involved a profound shift in meaning from the Old Testament tradition. The name "Old Testament" reflects Christianity's understanding of itself as the fulfillment of Jeremiah's prophecy of a New Covenant (which is similar to "testament" and often conflated) to replace
11473-400: The Old Testament. Of the remainder, the books of the various prophets— Isaiah , Jeremiah , Ezekiel , and the twelve " minor prophets "—were written between the 8th and 6th centuries BC, with the exceptions of Jonah and Daniel , which were written much later. The "wisdom" books— Job , Proverbs , Ecclesiastes , Psalms , Song of Songs —have various dates: Proverbs possibly was completed by
11622-583: The Purple Chamber, and the emperors born there were known as "born to the purple," to separate them from emperors who won or seized the title through political intrigue or military force. Bishops of the Byzantine church wore white robes with stripes of purple, while government officials wore squares of purple fabric to show their rank. In western Europe, the Emperor Charlemagne was crowned in 800 wearing
11771-612: The Royal Palace of Qatna . As early as the 15th century BC, the citizens of Sidon and Tyre , two cities on the coast of Ancient Phoenicia (present day Lebanon), were producing purple dye from a sea snail called the spiny dye-murex . Clothing colored with the Tyrian dye was mentioned in both the Iliad of Homer and the Aeneid of Virgil . The deep, rich purple dye made from this snail became known as Tyrian purple. The process of making
11920-625: The Septuagint ( 3 Ezra and 3 and 4 Maccabees are excluded); the Anglicans after the English Civil War adopted a compromise position, restoring the 39 Articles and keeping the extra books that were excluded by the Westminster Confession of Faith , both for private study and for reading in churches but not for establishing any doctrine, while Lutherans kept them for private study, gathered in an appendix as biblical apocrypha . While
12069-507: The Septuagint's, and Theodotion's. The so-called "fifth" and "sixth editions" were two other Greek translations supposedly miraculously discovered by students outside the towns of Jericho and Nicopolis : these were added to Origen's Octapla. In 331, Constantine I commissioned Eusebius to deliver fifty Bibles for the Church of Constantinople . Athanasius recorded Alexandrian scribes around 340 preparing Bibles for Constans . Little else
12218-526: The V1 blobs, color information is sent to cells in the second visual area, V2. The cells in V2 that are most strongly color tuned are clustered in the "thin stripes" that, like the blobs in V1, stain for the enzyme cytochrome oxidase (separating the thin stripes are interstripes and thick stripes, which seem to be concerned with other visual information like motion and high-resolution form). Neurons in V2 then synapse onto cells in
12367-688: The Western Church, specifically as the Sixto-Clementine Vulgate , while the Churches in the East continued, and continue, to use the Septuagint. Jerome, however, in the Vulgate's prologues , describes some portions of books in the Septuagint not found in the Hebrew Bible as being non- canonical (he called them apocrypha ); for Baruch , he mentions by name in his Prologue to Jeremiah and notes that it
12516-564: The absence of lead in Egyptian blue and the lack of examples of Egyptian blue in China, argued against the hypothesis. The use of quartz, barium, and lead components in ancient Chinese glass and Han purple and Han blue has been used to suggest a connection between glassmaking and the manufacture of pigments, and to prove the independence of the Chinese invention. Taoist alchemists may have developed Han purple from their knowledge of glassmaking. Lead
12665-417: The achromatic colors ( black , gray , and white ) and colors such as pink , tan , and magenta . Two different light spectra that have the same effect on the three color receptors in the human eye will be perceived as the same color. They are metamers of that color. This is exemplified by the white light emitted by fluorescent lamps, which typically has a spectrum of a few narrow bands, while daylight has
12814-484: The ancient world was Tyrian purple , made from a type of sea snail called the murex , found around the Mediterranean. (See history section above). In western Polynesia , residents of the islands made a purple dye similar to Tyrian purple from the sea urchin . In Central America, the inhabitants made a dye from a different sea snail, the purpura , found on the coasts of Costa Rica and Nicaragua . The Mayans used this color to dye fabric for religious ceremonies, while
12963-565: The books in the Catholic and Orthodox canons that are absent from the Jewish Masoretic Text and most modern Protestant Bibles. Catholics, following the Canon of Trent (1546), describe these books as deuterocanonical, while Greek Orthodox Christians, following the Synod of Jerusalem (1672) , use the traditional name of anagignoskomena , meaning "that which is to be read." They are present in
13112-524: The canon as already closed. In the 16th century, the Protestant reformers sided with Jerome; yet although most Protestant Bibles now have only those books that appear in the Hebrew Bible, the order is that of the Greek Bible. Rome then officially adopted a canon, the Canon of Trent , which is seen as following Augustine's Carthaginian Councils or the Council of Rome , and includes most, but not all, of
13261-637: The canon. However, Jerome (347–420), in his Prologue to Judith , claims that the Book of Judith was "found by the Nicene Council to have been counted among the number of the Sacred Scriptures". In Western Christianity or Christianity in the Western half of the Roman Empire , Latin had displaced Greek as the common language of the early Christians, and in 382 AD Pope Damasus I commissioned Jerome ,
13410-543: The clergy, and they often wore square/violet or purple/violet caps and robes, or black robes with purple/violet trim. Purple/violet robes were particularly worn by students of divinity. Purple and violet also played an important part in the religious paintings of the Renaissance. Angels and the Virgin Mary were often portrayed wearing purple or violet robes. In the 18th century, purple was still worn on occasion by Catherine
13559-461: The color is traditionally associated with the emperor and aristocracy. According to contemporary surveys in Europe and the United States, purple is the color most often associated with rarity, royalty, luxury, ambition, magic, mystery, piety and spirituality. When combined with pink , it is associated with eroticism , femininity , and seduction . The modern English word purple comes from
13708-586: The color of kings, nobles, priests and magistrates all around the Mediterranean. It was mentioned in the Hebrew Bible ( Old Testament ); in the Book of Exodus , God instructs Moses to have the Israelites bring him an offering including cloth "of blue, and purple, and scarlet," to be used in the curtains of the Tabernacle and the garments of priests. The term used for purple in the 4th-century Latin Vulgate version of
13857-456: The color of the women's liberation movement . In the concentration camps of Nazi Germany , prisoners who were members of non-conformist religious groups, such as the Jehovah's Witnesses , were required to wear a purple triangle . During the 1960s and early 1970s, it was also associated with counterculture , psychedelics , and musicians like Jimi Hendrix with his 1967 song " Purple Haze ", or
14006-407: The color terms violet and purple varies even among native speakers of English, for example between United Kingdom and United States. Optics research on purple and violet contains contributions of authors from different countries and different native languages, it is likely to be inconsistent in the use and meaning of the two colors. According to some speakers/authors of English, purple, unlike violet,
14155-511: The colors on the straight line in the CIE xy chromaticity diagram (the " line of purples "), leading to magenta or purple -like colors. The third type produces the colors located in the "warm" sharp edge of the optimal color solid (this will be explained later in the article). The fourth type produces the colors located in the "cold" sharp edge of the optimal color solid. The optimal color solid , Rösch – MacAdam color solid, or simply visible gamut ,
14304-409: The colors reproduced are never perfectly saturated spectral colors, and so spectral colors cannot be matched exactly. However, natural scenes rarely contain fully saturated colors, thus such scenes can usually be approximated well by these systems. The range of colors that can be reproduced with a given color reproduction system is called the gamut . The CIE chromaticity diagram can be used to describe
14453-481: The dye from Byzantium was no longer available. Bishops and archbishops, of a lower status than cardinals, were assigned the color purple, but not the rich Tyrian purple. They wore cloth dyed first with the less expensive indigo blue, then overlaid with red made from kermes dye. While purple was worn less frequently by Medieval and Renaissance kings and princes, it was worn by the professors of many of Europe's new universities. Their robes were modeled after those of
14602-600: The dye from the murex is close to that of the dye from indigo , and indigo was sometimes used to make a counterfeit Tyrian purple, a crime which was severely punished. What seems to have mattered about Tyrian purple was not its color, but its luster, richness, its resistance to weather and light, and its high price. In modern times, Tyrian purple has been recreated, at great expense. When the German chemist Paul Friedander tried to recreate Tyrian purple in 2008, he needed twelve thousand mollusks to create 1.4 ounces of dye, enough to color
14751-399: The dye was long, difficult and expensive. Thousands of the tiny snails had to be found, their shells cracked, the snail removed. Mountains of empty shells have been found at the ancient sites of Sidon and Tyre. The snails were left to soak, then a tiny gland was removed and the juice extracted and put in a basin, which was placed in the sunlight. There, a remarkable transformation took place. In
14900-471: The early decades of the century, with Feminism in the 1970s, and with the psychedelic drug culture of the 1960s. In the early 20th century, purple, green, and white were the colors of the Women's Suffrage movement, which fought to win the right to vote for women, finally succeeding with the 19th Amendment to the U.S. Constitution in 1920. Later, in the 1970s, in a tribute to the Suffragettes, it became
15049-585: The emperor on special occasions. During the Roman Republic, when a triumph was held, the general being honored wore an entirely purple toga bordered in gold, and Roman Senators wore a toga with a purple stripe. However, during the Roman Empire , purple was more and more associated exclusively with the emperors and their officers. Suetonius claims that the early emperor Caligula had the King of Mauretania murdered for
15198-626: The extended V4 occurs in millimeter-sized color modules called globs . This is the part of the brain in which color is first processed into the full range of hues found in color space . A color vision deficiency causes an individual to perceive a smaller gamut of colors than the standard observer with normal color vision. The effect can be mild, having lower "color resolution" (i.e. anomalous trichromacy ), moderate, lacking an entire dimension or channel of color (e.g. dichromacy ), or complete, lacking all color perception (i.e. monochromacy ). Most forms of color blindness derive from one or more of
15347-480: The extended V4. This area includes not only V4, but two other areas in the posterior inferior temporal cortex, anterior to area V3, the dorsal posterior inferior temporal cortex, and posterior TEO. Area V4 was initially suggested by Semir Zeki to be exclusively dedicated to color, and he later showed that V4 can be subdivided into subregions with very high concentrations of color cells separated from each other by zones with lower concentration of such cells though even
15496-417: The eye by three opponent processes , or opponent channels, each constructed from the raw output of the cones: a red–green channel, a blue–yellow channel, and a black–white "luminance" channel. This theory has been supported by neurobiology, and accounts for the structure of our subjective color experience. Specifically, it explains why humans cannot perceive a "reddish green" or "yellowish blue", and it predicts
15645-420: The gamut that can be reproduced. Additive color is light created by mixing together light of two or more different colors. Red , green , and blue are the additive primary colors normally used in additive color systems such as projectors, televisions, and computer terminals. Subtractive coloring uses dyes, inks, pigments, or filters to absorb some wavelengths of light and not others. The color that
15794-466: The gamut. Another problem with color reproduction systems is connected with the initial measurement of color, or colorimetry . The characteristics of the color sensors in measurement devices (e.g. cameras, scanners) are often very far from the characteristics of the receptors in the human eye. A color reproduction system "tuned" to a human with normal color vision may give very inaccurate results for other observers, according to color vision deviations to
15943-459: The latter cells respond better to some wavelengths than to others, a finding confirmed by subsequent studies. The presence in V4 of orientation-selective cells led to the view that V4 is involved in processing both color and form associated with color but it is worth noting that the orientation selective cells within V4 are more broadly tuned than their counterparts in V1, V2, and V3. Color processing in
16092-503: The layers' thickness. Structural color is studied in the field of thin-film optics . The most ordered or the most changeable structural colors are iridescent . Structural color is responsible for the blues and greens of the feathers of many birds (the blue jay, for example), as well as certain butterfly wings and beetle shells. Variations in the pattern's spacing often give rise to an iridescent effect, as seen in peacock feathers, soap bubbles , films of oil, and mother of pearl , because
16241-468: The leading scholar of the day, to produce an updated Latin Bible to replace the Vetus Latina , which was a Latin translation of the Septuagint. Jerome's work, called the Vulgate , was a direct translation from Hebrew, since he argued for the superiority of the Hebrew texts in correcting the Septuagint on both philological and theological grounds. His Vulgate Old Testament became the standard Bible used in
16390-400: The light is not a pure white source (the case of nearly all forms of artificial lighting), the resulting spectrum will appear a slightly different color. Red paint, viewed under blue light, may appear black . Red paint is red because it scatters only the red components of the spectrum. If red paint is illuminated by blue light, it will be absorbed by the red paint, creating the appearance of
16539-432: The light it receives. Like transparent objects, translucent objects allow light to transmit through, but translucent objects are seen colored because they scatter or absorb certain wavelengths of light via internal scattering. The absorbed light is often dissipated as heat . Although Aristotle and other ancient scientists had already written on the nature of light and color vision , it was not until Newton that light
16688-462: The luster of opals , and the blue of human irises. If the microstructures are aligned in arrays, for example, the array of pits in a CD, they behave as a diffraction grating : the grating reflects different wavelengths in different directions due to interference phenomena, separating mixed "white" light into light of different wavelengths. If the structure is one or more thin layers then it will reflect some wavelengths and transmit others, depending on
16837-482: The mallow flower, which is the same color. The new color quickly became fashionable, particularly after Queen Victoria wore a silk gown dyed with mauveine to the Royal Exhibition of 1862. Prior to Perkin's discovery, mauve was a color which only the aristocracy and rich could afford to wear. Perkin developed an industrial process, built a factory, and produced the dye by the ton, so almost anyone could wear mauve. It
16986-420: The mid-wavelength (so-called "green") cones; the other cones will inevitably be stimulated to some degree at the same time. The set of all possible tristimulus values determines the human color space . It has been estimated that humans can distinguish roughly 10 million different colors. The other type of light-sensitive cell in the eye, the rod , has a different response curve. In normal situations, when light
17135-437: The most chromatic colors that humans are able to see. The emission or reflectance spectrum of a color is the amount of light of each wavelength that it emits or reflects, in proportion to a given maximum, which has the value of 1 (100%). If the emission or reflectance spectrum of a color is either 0 (0%) or 1 (100%) across the entire visible spectrum, and it has no more than two transitions between 0 and 1, or 1 and 0, then it
17284-608: The opponent theory. In 1931, an international group of experts known as the Commission internationale de l'éclairage ( CIE ) developed a mathematical color model, which mapped out the space of observable colors and assigned a set of three numbers to each. The ability of the human eye to distinguish colors is based upon the varying sensitivity of different cells in the retina to light of different wavelengths . Humans are trichromatic —the retina contains three types of color receptor cells, or cones . One type, relatively distinct from
17433-448: The other two, is most responsive to light that is perceived as blue or blue-violet, with wavelengths around 450 nm ; cones of this type are sometimes called short-wavelength cones or S cones (or misleadingly, blue cones ). The other two types are closely related genetically and chemically: middle-wavelength cones , M cones , or green cones are most sensitive to light perceived as green, with wavelengths around 540 nm, while
17582-546: The outlines of their own hands on the walls of their caves. These works have been dated to between 16,000 and 25,000 BC. Purple textiles, dating back to the early second millennium BCE, were found in Syria , making them the oldest known purple textiles in the world. These findings include textiles from a burial site in Chagar Bazar , dating back to the 18th-16th centuries BCE, as well as preserved textile samples discovered in gypsum at
17731-402: The patriarchs" and "the unified conquest of the land" were widely accepted in the United States until about the 1970s. Contrarily, Grabbe says that those in his field now "are all minimalists – at least, when it comes to the patriarchal period and the settlement. ... [V]ery few are willing to operate [as maximalists]." In 2022, archaeologist Avraham Faust wrote that in the 1990s
17880-459: The play of Aeschylus (525–456 BC), Queen Clytemnestra welcomes back her husband Agamemnon by decorating the palace with purple carpets. In 950 BC, King Solomon was reported to have brought artisans from Tyre to provide purple fabrics to decorate the Temple of Jerusalem . Alexander the Great (when giving imperial audiences as the basileus of the Macedonian Empire ), the basileus of
18029-488: The population having variants associated with the condition. Synesthesia has also been known to occur with brain damage, drugs, and sensory deprivation. The philosopher Pythagoras experienced synesthesia and provided one of the first written accounts of the condition in approximately 550 BCE. He created mathematical equations for musical notes that could form part of a scale, such as an octave. After exposure to strong light in their sensitivity range, photoreceptors of
18178-545: The red end of the spectrum, and it changes to 0 at a given wavelength. In the fourth type, it starts at 0 in the red end of the spectrum, and it changes to 1 at a given wavelength. The first type produces colors that are similar to the spectral colors and follow roughly the horseshoe-shaped portion of the CIE xy chromaticity diagram (the spectral locus ), but are generally more chromatic , although less spectrally pure. The second type produces colors that are similar to (but generally more chromatic and less spectrally pure than)
18327-409: The reflected color depends upon the viewing angle. Numerous scientists have carried out research in butterfly wings and beetle shells, including Isaac Newton and Robert Hooke. Since 1942, electron micrography has been used, advancing the development of products that exploit structural color, such as " photonic " cosmetics. The gamut of the human color vision is bounded by optimal colors. They are
18476-535: The retina, and functional (or strong ) tetrachromats , which are able to make the enhanced color discriminations expected of tetrachromats. In fact, there is only one peer-reviewed report of a functional tetrachromat. It is estimated that while the average person is able to see one million colors, someone with functional tetrachromacy could see a hundred million colors. In certain forms of synesthesia , perceiving letters and numbers ( grapheme–color synesthesia ) or hearing sounds ( chromesthesia ) will evoke
18625-465: The same material as the Pentateuch and Deuteronomistic history and probably date from the 4th century BC. Chronicles, and Ezra–Nehemiah , was probably finished during the 3rd century BC. Catholic and Orthodox Old Testaments contain two (Catholic Old Testament) to four (Orthodox) Books of the Maccabees , written in the 2nd and 1st centuries BC. These history books make up around half the total content of
18774-478: The same species. In each such class, the members are called metamers of the color in question. This effect can be visualized by comparing the light sources' spectral power distributions and the resulting colors. The familiar colors of the rainbow in the spectrum —named using the Latin word for appearance or apparition by Isaac Newton in 1671—include all those colors that can be produced by visible light of
18923-473: The short wavelength end of the visible spectrum, between approximately 380 and 450 nanometers, whereas purple is the color of various combinations of red, blue, and violet light, some of which humans perceive as similar to violet. On a chromaticity diagram , the straight line connecting the extreme spectral colors (red and violet) is known as the line of purples (or 'purple boundary'); it represents one limit of human color perception . The color magenta used in
19072-508: The similarity of the Genesis flood narrative and the Gilgamesh flood myth . Similarities between the origin story of Moses and that of Sargon of Akkad were noted by psychoanalyst Otto Rank in 1909 and popularized by 20th-century writers, such as H. G. Wells and Joseph Campbell . Jacob Bronowski writes that, "the Bible is ... part folklore and part record. History is ... written by
19221-404: The single wavelength of light that produces a sensation most similar to the non-spectral color. Dominant wavelength is roughly akin to hue . There are many color perceptions that by definition cannot be pure spectral colors due to desaturation or because they are purples (mixtures of red and violet light, from opposite ends of the spectrum). Some examples of necessarily non-spectral colors are
19370-420: The slogan The Purple Shall Govern . The violet or purple necktie became very popular at the end of the first decade of the 21st century, particularly among political and business leaders. It combined the assertiveness and confidence of a red necktie with the sense of peace and cooperation of a blue necktie, and it went well with the blue business suit worn by most national and corporate leaders. The meanings of
19519-410: The spectrum of light arriving at the eye from a given direction determines the color sensation in that direction, there are many more possible spectral combinations than color sensations. In fact, one may formally define a color as a class of spectra that give rise to the same color sensation, although such classes would vary widely among different species, and to a lesser extent among individuals within
19668-564: The splendour of his purple cloak, and that Nero forbade the use of certain purple dyes. In the late empire the sale of purple cloth became a state monopoly protected by the death penalty. According to the New Testament , Jesus Christ , in the hours leading up to his crucifixion , was dressed in purple (πορφύρα: porphura ) by the Roman garrison to mock his claim to be ' King of the Jews '. The actual color of Tyrian purple seems to have varied from
19817-600: The splitting of several texts ( Samuel , Kings , Chronicles , Ezra–Nehemiah , and the Twelve Minor Prophets ) into separate books in Christian Bibles. The books that are part of the Christian Old Testament but that are not part of the Hebrew canon are sometimes described as deuterocanonical books . These books are ultimately derived from the earlier Septuagint , the earliest extant Greek translation of
19966-455: The standard observer. The different color response of different devices can be problematic if not properly managed. For color information stored and transferred in digital form, color management techniques, such as those based on ICC profiles , can help to avoid distortions of the reproduced colors. Color management does not circumvent the gamut limitations of particular output devices, but can assist in finding good mapping of input colors into
20115-455: The sunlight the juice turned white, then yellow-green, then green, then violet, then a red which turned darker and darker. The process had to be stopped at exactly the right time to obtain the desired color, which could range from a bright crimson to a dark purple, the color of dried blood. Then either wool, linen or silk would be dyed. The exact hue varied between crimson and violet, but it was always rich, bright and lasting. Tyrian purple became
20264-544: The term to refer to a pledge. Further themes in the Old Testament include salvation , redemption , divine judgment , obedience and disobedience, faith and faithfulness, among others. Throughout there is a strong emphasis on ethics and ritual purity , both of which God demands, although some of the prophets and wisdom writers seem to question this, arguing that God demands social justice above purity, and perhaps does not even care about purity at all. The Old Testament's moral code enjoins fairness, intervention on behalf of
20413-491: The terms of the contract: Israel swears faithfulness to God, and God swears to be Israel's special protector and supporter. However, The Jewish Study Bible denies that the word covenant ( brit in Hebrew) means "contract"; in the ancient Near East, a covenant would have been sworn before the gods, who would be its enforcers. As God is part of the agreement, and not merely witnessing it, The Jewish Study Bible instead interprets
20562-437: The three classes of cone cells either being missing, having a shifted spectral sensitivity or having lower responsiveness to incoming light. In addition, cerebral achromatopsia is caused by neural anomalies in those parts of the brain where visual processing takes place. Some colors that appear distinct to an individual with normal color vision will appear metameric to the color blind. The most common form of color blindness
20711-579: The time of Jesus, some Jews expected that a flesh-and-blood descendant of David (the " Son of David ") would come to establish a real Jewish kingdom in Jerusalem, instead of the Roman province of Judaea. Others stressed the Son of Man , a distinctly other-worldly figure who would appear as a judge at the end of time . Some expounded a synthesised view of both positions, where a messianic kingdom of this world would last for
20860-429: The traditional color wheel. In a slightly different variation, on the color wheel , purple is placed between magenta and violet. This shade is sometimes called electric purple (see shades of purple ). In the RGB color model , named for the colors red, green, and blue, used to create all the colors on a computer screen or television, the range of purples is created by mixing red and blue light of different intensities on
21009-479: The victors, and the Israelis , when they burst through [ Jericho ( c. 1400 BC )], became the carriers of history." In 2007, a historian of ancient Judaism Lester L. Grabbe explained that earlier biblical scholars such as Julius Wellhausen (1844–1918) could be described as 'maximalist', accepting biblical text unless it has been disproven. Continuing in this tradition, both "the 'substantial historicity' of
21158-412: The visible light spectrum with three types of cone cells ( trichromacy ). Other animals may have a different number of cone cell types or have eyes sensitive to different wavelengths, such as bees that can distinguish ultraviolet , and thus have a different color sensitivity range. Animal perception of color originates from different light wavelength or spectral sensitivity in cone cell types, which
21307-415: The visual field, the three types of cones yield three signals based on the extent to which each is stimulated. These amounts of stimulation are sometimes called tristimulus values . The response curve as a function of wavelength varies for each type of cone. Because the curves overlap, some tristimulus values do not occur for any incoming light combination. For example, it is not possible to stimulate only
21456-457: The vulnerable, and the duty of those in power to administer justice righteously. It forbids murder, bribery and corruption, deceitful trading, and many sexual misdemeanours . All morality is traced back to God, who is the source of all goodness. The problem of evil plays a large part in the Old Testament. The problem the Old Testament authors faced was that a good God must have had just reason for bringing disaster (meaning notably, but not only,
21605-501: Was a Syriac translation of the Hebrew Bible called the Peshitta , as well as versions in Coptic (the everyday language of Egypt in the first Christian centuries, descended from ancient Egyptian ), Ethiopic (for use in the Ethiopian church , one of the oldest Christian churches), Armenian (Armenia was the first to adopt Christianity as its official religion), and Arabic . Christianity
21754-533: Was better than Hebrew. However, the texts came to be used predominantly by gentile converts to Christianity and by the early Church as its scripture, Greek being the lingua franca of the early Church. The three most acclaimed early interpreters were Aquila of Sinope , Symmachus the Ebionite , and Theodotion ; in his Hexapla , Origen placed his edition of the Hebrew text beside its transcription in Greek letters and four parallel translations: Aquila's, Symmachus's,
21903-417: Was identified as the source of the color sensation. In 1810, Goethe published his comprehensive Theory of Colors in which he provided a rational description of color experience, which 'tells us how it originates, not what it is'. (Schopenhauer) In 1801 Thomas Young proposed his trichromatic theory , based on the observation that any color could be matched with a combination of three lights. This theory
22052-425: Was later refined by James Clerk Maxwell and Hermann von Helmholtz . As Helmholtz puts it, "the principles of Newton's law of mixture were experimentally confirmed by Maxwell in 1856. Young's theory of color sensations, like so much else that this marvelous investigator achieved in advance of his time, remained unnoticed until Maxwell directed attention to it." At the same time as Helmholtz, Ewald Hering developed
22201-523: Was the first of a series of modern industrial dyes which completely transformed both the chemical industry and fashion. Purple was popular with the pre-Raphaelite painters in Britain, including Arthur Hughes , who loved bright colors and romantic scenes. At the turn of the century, purple was a favorite color of the Austrian painter Gustav Klimt , who flooded his pictures with sensual purples and violets. In
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